EP1158202A3 - Independently tunable variable bleed orifice - Google Patents

Independently tunable variable bleed orifice Download PDF

Info

Publication number
EP1158202A3
EP1158202A3 EP01111619A EP01111619A EP1158202A3 EP 1158202 A3 EP1158202 A3 EP 1158202A3 EP 01111619 A EP01111619 A EP 01111619A EP 01111619 A EP01111619 A EP 01111619A EP 1158202 A3 EP1158202 A3 EP 1158202A3
Authority
EP
European Patent Office
Prior art keywords
valving system
low speed
systems
piston
incorporated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01111619A
Other languages
German (de)
French (fr)
Other versions
EP1158202B2 (en
EP1158202A2 (en
EP1158202B1 (en
Inventor
David L. Steed
Michael Zebolsky
Dean R. Dodge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Automotive Inc
Original Assignee
Tenneco Automotive Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24302142&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1158202(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tenneco Automotive Inc filed Critical Tenneco Automotive Inc
Publication of EP1158202A2 publication Critical patent/EP1158202A2/en
Publication of EP1158202A3 publication Critical patent/EP1158202A3/en
Application granted granted Critical
Publication of EP1158202B1 publication Critical patent/EP1158202B1/en
Publication of EP1158202B2 publication Critical patent/EP1158202B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

A shock absorber includes a valve assembly with a low speed valving system and a high speed valving system. Both systems control fluid flow through the respective valve assembly for fluid flow in the same direction. The low speed valving system is independently tunable in order to provide low speed damping to improve both the vehicle control and handling. The independent tuning of the low speed valving system allows the optimization of the low speed valving system in relation to the high speed valving system as well as the independent tuning of the high speed valving system in relation to the low speed valving system. The independent tuning of the two systems allow the achievement of a smooth transition between the two systems. The dual valving systems can be incorporated into the piston for a compression stroke, be incorporated into the piston for an extension stroke, or two dual valving systems can be incorporated into the piston for compression and extension strokes.
EP01111619A 2000-05-22 2001-05-12 Independently tunable variable bleed orifice Expired - Lifetime EP1158202B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/575,900 US6460664B1 (en) 2000-05-22 2000-05-22 Independently tunable variable bleed orifice
US575900 2000-05-22

Publications (4)

Publication Number Publication Date
EP1158202A2 EP1158202A2 (en) 2001-11-28
EP1158202A3 true EP1158202A3 (en) 2003-02-12
EP1158202B1 EP1158202B1 (en) 2006-01-25
EP1158202B2 EP1158202B2 (en) 2008-11-05

Family

ID=24302142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01111619A Expired - Lifetime EP1158202B2 (en) 2000-05-22 2001-05-12 Independently tunable variable bleed orifice

Country Status (4)

Country Link
US (1) US6460664B1 (en)
EP (1) EP1158202B2 (en)
BR (1) BR0102063B1 (en)
DE (1) DE60116813T3 (en)

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JP2004150574A (en) * 2002-10-31 2004-05-27 Kayaba Ind Co Ltd Damping force generation valve of hydraulic buffer
US7070029B2 (en) * 2003-09-15 2006-07-04 Tenneco Automotive Operating Company Inc. Monotube piston valving system with selective bleed
FR2883612B1 (en) * 2005-03-22 2010-09-10 Peugeot Citroen Automobiles Sa DOUBLE-COVER CROSS-FLOW DAMPING DEVICE WITHOUT INDEXING
FR2883611B1 (en) * 2005-03-22 2010-09-10 Peugeot Citroen Automobiles Sa TWO-COVER CROSS-FLOW DAMPING DEVICE WITH INDEXING
US7621382B2 (en) * 2006-06-28 2009-11-24 Nissan Technical Center North America, Inc. Shock absorber
JP2008241017A (en) * 2007-03-29 2008-10-09 Honda Motor Co Ltd Hydraulic shock absorber
US8083039B2 (en) * 2007-08-29 2011-12-27 Tenneco Automotive Operating Company, Inc. Disc spring intake
US8997953B2 (en) * 2007-08-30 2015-04-07 Tenneco Automotive Operating Company Inc. Shock absorber having a full displacement valve assembly
KR101227384B1 (en) * 2008-03-20 2013-01-30 주식회사 만도 Valve apparatus of shock absorber
JP5290701B2 (en) * 2008-03-26 2013-09-18 日立オートモティブシステムズ株式会社 Fluid pressure buffer
US8297418B2 (en) 2008-06-05 2012-10-30 Tenneco Automotive Operating Company Inc. Nested check high speed valve
KR100918174B1 (en) * 2008-07-16 2009-09-17 주식회사 만도 Floating piston valve of amplitude selective shock absorber
KR100909943B1 (en) * 2008-07-16 2009-07-29 주식회사 만도 Amplitude selective shock absorber
US8439173B2 (en) * 2008-09-25 2013-05-14 GM Global Technology Operations LLC Methods and apparatus for a suspension system with progressive resistance
KR20110001283A (en) * 2009-06-30 2011-01-06 주식회사 만도 Piston valve assembly of shock absorber
US8616351B2 (en) 2009-10-06 2013-12-31 Tenneco Automotive Operating Company Inc. Damper with digital valve
WO2012116190A1 (en) * 2011-02-24 2012-08-30 Factory Kahne, Llc Modular piston face for a shock absorber
KR101288613B1 (en) 2011-08-11 2013-07-22 주식회사 만도 Piston assembly of shock absorber
KR101374875B1 (en) * 2011-12-30 2014-03-18 주식회사 만도 Piston assembly of shock absorber
US10113604B2 (en) * 2012-03-09 2018-10-30 Fox Factory, Inc. Suspension damper
JP5613191B2 (en) * 2012-03-28 2014-10-22 カヤバ工業株式会社 Valve structure
KR101374877B1 (en) * 2012-06-13 2014-03-18 주식회사 만도 Piston assembly of shock absorber
JP5941359B2 (en) * 2012-07-10 2016-06-29 Ｋｙｂ株式会社 Buffer valve structure
US9080629B2 (en) 2012-09-07 2015-07-14 Tenneco Automotive Operating Company Inc. Multi-tuneable degressive valve
JP6014444B2 (en) * 2012-09-28 2016-10-25 日立オートモティブシステムズ株式会社 Shock absorber
NL2010038C2 (en) * 2012-12-21 2014-06-24 Koni Bv Shock absorber.
US9217483B2 (en) 2013-02-28 2015-12-22 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
WO2014134500A1 (en) 2013-02-28 2014-09-04 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
US10632805B1 (en) * 2017-04-27 2020-04-28 Oshkosh Defense, Llc Suspension element systems and methods
US9303715B2 (en) 2013-03-10 2016-04-05 Oshkosh Defense, Llc Limiting system for a vehicle suspension component
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
US9163691B2 (en) 2013-03-15 2015-10-20 Tenneco Automotive Operating Company Inc. Rod guide arrangement for electronically controlled valve applications
US9067471B2 (en) * 2013-03-15 2015-06-30 Tenneco Automotive Operating Company Inc. Piston assembly with open bleed
WO2014144110A1 (en) 2013-03-15 2014-09-18 Tenneco Automotive Operating Company Inc. Rod guide assembly with multi-piece valve assembly
EP2989346B1 (en) * 2013-07-12 2017-12-06 BeijingWest Industries Co. Ltd. Hydraulic damper
JP6114667B2 (en) 2013-09-17 2017-04-12 Ｋｙｂ株式会社 Damping valve
CN107208728B (en) 2015-01-30 2019-12-13 日立汽车***株式会社 Fluid pressure shock absorber
US10233995B2 (en) * 2016-03-17 2019-03-19 Mando Corporation Shock absorber for railway vehicle
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10746248B2 (en) 2018-07-25 2020-08-18 Tenneco Automotive Operating Company Inc. Valve assembly
US11040754B2 (en) 2019-01-18 2021-06-22 Sram, Llc Dampers for bicycle suspension components
CN112360913B (en) * 2019-11-29 2022-04-19 北京京西重工有限公司 Hydraulic damper and piston for a hydraulic damper assembly
US11009094B1 (en) * 2021-01-08 2021-05-18 Factory Kahne, Llc System and method for using a piston face and shim in a shock absorber with varying port configurations

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4953671A (en) * 1988-08-12 1990-09-04 Tokico Ltd. Damping force adjustable hydraulic shock absorber
US5018608A (en) * 1989-05-19 1991-05-28 Tokico Ltd. Hydraulic shock absorber
US5293971A (en) * 1988-08-02 1994-03-15 Atsugi Unisia Corporation Shock absorber with damping valve structure having wide range variable damping characteristics
US5497862A (en) * 1994-02-22 1996-03-12 Unisia Jecs Corporation Hydraulic shock absorber having variable damping force characteristic structure

Family Cites Families (25)

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DE4110023A1 (en) 1991-03-27 1992-10-01 Ringsdorff Werke Gmbh SHOCK ABSORBER PISTON FROM UNEQUAL, JOINTED PARTS
NL251285A (en) 1959-05-06
NL291950A (en) 1962-04-26 1900-01-01
DE1505478A1 (en) 1965-10-29 1969-09-25 Bilstein August Fa Infinitely adjustable shock absorber, especially for motor vehicles
US4610332A (en) 1981-11-05 1986-09-09 Ford Motor Company Velocity sensitive valve element for a shock absorber
US4588053A (en) 1984-09-19 1986-05-13 The United States Of America As Represented By The Secretary Of The Air Force Multiple rate shock isolator damping valve
DE3518327A1 (en) † 1985-05-22 1986-11-27 Boge Gmbh, 5208 Eitorf HYDRAULIC, ADJUSTABLE VIBRATION DAMPER
US4809828A (en) 1987-07-01 1989-03-07 Kabushiki Kaisha Showa Seisakusho One-way damping valve mechanism for hydraulic damper
US5316113A (en) 1987-11-19 1994-05-31 Atsugi Motor Parts Company Ltd. Hydraulic shock absorber
JPH01102536U (en) 1987-12-28 1989-07-11
US4964493A (en) 1988-04-06 1990-10-23 Atsugi Motor Parts Company, Limited Shock absorber with variable damping characteristics depending upon stroke speed
US4872537A (en) 1988-06-06 1989-10-10 Brian Warner Adjustable damper means for shock absorber
US5042624A (en) * 1988-09-29 1991-08-27 Atsugi Unisia Corporation Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force
JPH0292154U (en) 1989-01-10 1990-07-23
JP2964148B2 (en) 1989-04-20 1999-10-18 トキコ株式会社 Damping force adjustable hydraulic shock absorber
US4972929A (en) 1989-06-07 1990-11-27 Lord Corporation Bidirectional dual disc valve assembly
US5332069A (en) 1989-08-31 1994-07-26 Kayaba Kogyo Kabushiki Kaisha Shock absorber
JP2918293B2 (en) 1990-05-28 1999-07-12 株式会社ユニシアジェックス Variable damping force type shock absorber
DE4025880A1 (en) † 1990-08-16 1992-02-20 Bilstein August Gmbh Co Kg Controllable hydraulic vibration damper for vehicle bodywork - has damping piston at piston rod in cylinder which has valve discs for variable passage openings and by=pass controlled by electromagnet
GB2250080B (en) 1990-10-19 1994-08-17 Tokico Ltd Hydraulic shock absorber
FR2684957B1 (en) 1991-12-11 1994-03-04 Eram CLIPPING DEVICE FOR AN AIRCRAFT LANDING GEAR, AND SHOCK ABSORBER COMPRISING SUCH A DEVICE.
US5150775A (en) 1991-12-19 1992-09-29 General Motors Corporation Steer-sensitive variable damper and method utilizing a ring valve
JP3383863B2 (en) 1993-03-08 2003-03-10 トキコ株式会社 Damping force adjustable hydraulic shock absorber
US5425398A (en) 1994-03-28 1995-06-20 General Motors Corporation Valve for automotive damper
JPH11153173A (en) † 1997-11-21 1999-06-08 Kayaba Ind Co Ltd Damping valve structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293971A (en) * 1988-08-02 1994-03-15 Atsugi Unisia Corporation Shock absorber with damping valve structure having wide range variable damping characteristics
US4953671A (en) * 1988-08-12 1990-09-04 Tokico Ltd. Damping force adjustable hydraulic shock absorber
US5018608A (en) * 1989-05-19 1991-05-28 Tokico Ltd. Hydraulic shock absorber
US5497862A (en) * 1994-02-22 1996-03-12 Unisia Jecs Corporation Hydraulic shock absorber having variable damping force characteristic structure

Also Published As

Publication number Publication date
BR0102063A (en) 2001-12-18
DE60116813T2 (en) 2006-11-02
EP1158202B2 (en) 2008-11-05
DE60116813T3 (en) 2009-07-09
DE60116813D1 (en) 2006-04-13
EP1158202A2 (en) 2001-11-28
US6460664B1 (en) 2002-10-08
BR0102063B1 (en) 2009-01-13
EP1158202B1 (en) 2006-01-25

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